Rewrite the negative try-catch tests into a single multi test.

tests/language/src/TryCatch10NegativeTest.dart

Index: tests/language/src/TryCatch10NegativeTest.dart
diff --git a/tests/language/src/TryCatch10NegativeTest.dart b/tests/language/src/TryCatch10NegativeTest.dart
deleted file mode 100644
index 1b31a59d621c5878249fc64c2c6025a0b7872513..0000000000000000000000000000000000000000
--- a/tests/language/src/TryCatch10NegativeTest.dart
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-// Dart test to check that catch clause specifies a type.
-
-main() {
-  try {
-    throw "Hello";
-  } catch (e) {  // Need final, var or type.
-    Expect.equals(true, false);
-  }
-}